From fe1d45e08650213ec83a72d3499c3dd703243792 Mon Sep 17 00:00:00 2001
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Fri, 15 Jan 2010 20:34:46 +0800
Subject: [PATCH] MIPS: Add support of LZO-compressed kernels
The necessary changes to the x86 Kconfig and boot/compressed to allow the
use of this new compression method.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Patchwork: http://patchwork.linux-mips.org/patch/857/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
arch/mips/Kconfig | 1 +
arch/mips/boot/compressed/Makefile | 2 ++
arch/mips/boot/compressed/decompress.c | 4 ++++
3 files changed, 7 insertions(+)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 9541171f12200..8b5d174685f00 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1311,6 +1311,7 @@ config SYS_SUPPORTS_ZBOOT
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZMA
+ select HAVE_KERNEL_LZO
config SYS_SUPPORTS_ZBOOT_UART16550
bool
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index 671d3448fad4e..bdcfd49f022d5 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -41,9 +41,11 @@ $(obj)/vmlinux.bin: $(KBUILD_IMAGE)
suffix_$(CONFIG_KERNEL_GZIP) = gz
suffix_$(CONFIG_KERNEL_BZIP2) = bz2
suffix_$(CONFIG_KERNEL_LZMA) = lzma
+suffix_$(CONFIG_KERNEL_LZO) = lzo
tool_$(CONFIG_KERNEL_GZIP) = gzip
tool_$(CONFIG_KERNEL_BZIP2) = bzip2
tool_$(CONFIG_KERNEL_LZMA) = lzma
+tool_$(CONFIG_KERNEL_LZO) = lzo
$(obj)/vmlinux.$(suffix_y): $(obj)/vmlinux.bin
$(call if_changed,$(tool_y))
diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index e48fd72898a87..55d02b3a67122 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -77,6 +77,10 @@ void *memset(void *s, int c, size_t n)
#include "../../../../lib/decompress_unlzma.c"
#endif
+#ifdef CONFIG_KERNEL_LZO
+#include "../../../../lib/decompress_unlzo.c"
+#endif
+
void decompress_kernel(unsigned long boot_heap_start)
{
int zimage_size;
--
GitLab